55535151 has 8 divisors (see below), whose sum is σ = 84625024. Its totient is φ = 31734360.

The previous prime is 55535147. The next prime is 55535177. The reversal of 55535151 is 15153555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55535151 - 2² = 55535147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55535951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1322245 + ... + 1322286.

It is an arithmetic number, because the mean of its divisors is an integer number (10578128).

Almost surely, 2^55535151 is an apocalyptic number.

55535151 is a deficient number, since it is larger than the sum of its proper divisors (29089873).

55535151 is a wasteful number, since it uses less digits than its factorization.

55535151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644541.

The product of its digits is 9375, while the sum is 30.

The square root of 55535151 is about 7452.1910200960. The cubic root of 55535151 is about 381.5246936934.

The spelling of 55535151 in words is "fifty-five million, five hundred thirty-five thousand, one hundred fifty-one".